Submission #1338787

#	Time	Username	Problem	Language	Result	Execution time	Memory
1338787		QuocSensei	Saveit (IOI10_saveit)	C++20	Compilation error	0 ms	0 KiB

encoder

#include <bits/stdc++.h>

#define ll long long 
#define el cout << endl
#define BIT(n) ((1ll) << (n))
#define bit(mask, i) (((mask) >> (i)) & 1)

using namespace std;

void encode_bit(int b);

namespace ENCODER
{
    const int maxn = 1e3;
    const int maxh = 36;
    const int maxlog = __lg(maxn * maxh);

    int dist[maxh + 10][maxn + 10], n, h;
    vector<int> adj[maxn + 10];

    void bfs(int source)
    {
        for (int i = 0; i < n; i++)
            dist[source][i] = -1;
        queue<int> q;
        dist[source][source] = 0;
        q.push(source);

        while (q.size())
        {
            int top = q.front();
            q.pop();
            for (int next_top : adj[top])
            {
                if (dist[source][next_top] != -1)
                    continue;
                dist[source][next_top] = dist[source][top] + 1;
                q.push(next_top);
            }
        }
    }

    void encode(int _N, int _H, int P, int A[], int B[])
    {
        n = _N;
        h = _H;
        for (int i = 0; i < P; i++)
        {
            adj[A[i]].push_back(B[i]);
            adj[B[i]].push_back(A[i]);
        }
        for (int i = 0; i < h; i++)
        {
            bfs(i);
            for (int j = 0; j < n; j++)
            {
                for (int k = maxlog; k >= 0; k--)
                    encode_bit(bit(dist[i][j], k));
            }
        }
    }
}

void encode(int _N, int _H, int P, int A[], int B[])
{
    ENCODER::encode(_N, _H, P, A, B);
}

decoder

#include "decoder.h"
#include <bits/stdc++.h>

#define ll long long 
#define el cout << endl
#define BIT(n) ((1ll) << (n))
#define bit(mask, i) (((mask) >> (i)) & 1)

using namespace std;

namespace DECODER
{
    const int maxn = 1e3;
    const int maxh = 36;
    const int maxlog = __lg(maxh * maxn);

    int n, h;

    void decode(int _N, int _H)
    {
        n = _N;
        h = _H;
        for (int i = 0; i < h; i++)
            for (int j = 0; j < n; j++)
            {
                int dist = 0;
                for (int k = maxlog; k >= 0; k--)
                    dist += BIT(k) * decode_bit();
                hops(i, j, dist);
            }
    }
}

void decode(int _N, int _H)
{
    DECODER::decode(_N, _H);
}

Compilation message (stderr)

# 2번째 컴파일 단계

decoder.cpp: In function 'void DECODER::decode(int, int)':
decoder.cpp:28:38: error: 'decode_bit' was not declared in this scope; did you mean 'decode'?
   28 |                     dist += BIT(k) * decode_bit();
      |                                      ^~~~~~~~~~
      |                                      decode
decoder.cpp:29:17: error: 'hops' was not declared in this scope
   29 |                 hops(i, j, dist);
      |                 ^~~~